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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7438496 | Auto locked mechanism A securing apparatus, including: a deformable body, wherein the body is configured to provide a secure interference fit with at least one article to which it is fitted, and an aperture within the body, wherein the aperture is configured to accept a noncircular secti... | 10/21/2008 |
| 7438668 | Hurdle A hurdle has contiguous trigger tubes along the telescoping tubes. A trigger mechanism inside each trigger tube is used to adjust the height of the hurdle. The trigger mechanism contains a pivoting vertical rod with an inwardly directed perpendicular upper end that ... | 10/21/2008 |
| 7395830 | Collapsible canopy frame and locking pin assembly for the same A locking pin assembly includes a button that can be moved in a first direction from a first position to a second position, and a first biasing member for biasing the button to be normally in the first position. The locking pin assembly also includes a locking pin m... | 07/08/2008 |
| 7334957 | Portable protective fence and method of installation thereof A lightweight fence or gate pole is provided having a lock assembly including a base attached to the lightweight pole, a support member extending from the base, a connector extending from the support member, the connector having a snap button connected thereto and a... | 02/26/2008 |
| 7223041 | Camming coupler A camming coupler for removably attaching a music desk or other object to an upright support leg. The camming coupler includes an inner sleeve for receiving the upright support leg. The inner sleeve has at least one longitudinal slit formed therein, and preferably h... | 05/29/2007 |
| 7222892 | Device for locking two telescopic elongated elements Device for locking two elongated elements the first of which slides in the second telescopically, comprises members for locking in the longitudinal direction the first element relative to the second element, which include a lock washer arranged around the first elem... | 05/29/2007 |
| 7207085 | Extendable pull handle for luggage The flexible fixation structure for the pull handle of luggage. At hollow tube base frames of the pull handle, some fixation members are mounted to enable the pull handle to be flexibly locked and fixed into upper and lower fixation holes of external hollow tube. Th... | 04/24/2007 |
| 7186048 | Quick release mechanism A latching mechanism for coupling nestable drive shanks of a tool includes a housing presenting a locking pin movable between a normal locking position and a release position. First and second bias means cooperate to urge a free end of the locking pin in extension o... | 03/06/2007 |
| 7120966 | Enhanced luggage handle Provided is a retractable luggage handle in which either tube assembly thereof comprises one or more stop sleeves each secured to a top of its tube by snapping latches of the stop sleeve into apertures of the tube. A plurality of recesses are formed on either side w... | 10/17/2006 |
| 7066676 | Locating device for a retractable strut of a tent or a closet A locating device for a retractable strut of a tent or a closet includes an engaging device, a sliding bracket, an upper strut and a lower strut. The sliding bracket is secured onto the lower strut. The upper strut is inserted into the lower strut and has an elastic... | 06/27/2006 |
| 7025522 | Adjustable bicycle seat post assembly An adjustable height bicycle seat post assembly comprises a hollow seat post for supporting a bicycle seat slidably supported on plastic shims inside a hollow tube. The hollow tube clamps into the frame of a bicycle. A main spring forces the post upward, but a locki... | 04/11/2006 |
| 6918476 | Reinforced arrangement for sliding tube of wheeled luggage A reinforced arrangement for a handle assembly of wheeled luggage is disclosed. The handle assembly comprises two units each having a support tube and a sliding tube. The reinforced arrangement comprises an abutment mechanism under the sliding tube, a fixed pin for ... | 07/19/2005 |
| 6896473 | Device for transmitting torque A changeable-length fourth axis of a delta robot has a first bar (82) and a second bar (83), which can be displaced parallel to one another in a slide bearing (84, 85). They are connected to articulation heads (80, 81) for leading in an i... | 05/24/2005 |
| 6811348 | Device for locking in position a mobile part relative to a fixed part A device for locking a position of a moving part with respect to a fixed part. The moving part is positioned with respect to the fixed part isostatically. The device generates a force opposing the loss of contact of all the points of isostatic contact between the mo... | 11/02/2004 |
| 6581492 | Handle folding structure for a foldable bicycle A handle folding structure of a foldable bicycle comprises a joint connected to a head tube below a handle; a clamp inserted to a fork pivoting tube pivoted through a stem; a positioning bit with a conic stop to extend into the fork pivoting tube; the upp... | 06/24/2003 |
| 6514001 | Variable length shaft and method for making the same A variable length shaft is provided including a housing defining an internal space. A shaft is connected to a plunger device disposed in said internal space. The internal space is filled with magneto-rheological fluid which is selectively provided with a ... | 02/04/2003 |
| 6494636 | Retractable pole apparatus An extendible and retractable apparatus for displaying a flag or supporting an item such as an athletic net. The apparatus has a lower fixed tubular member and one or more telescopic sections which extend and are lockable in an extended position by keyed ... | 12/17/2002 |
| 6422915 | Dynamic collapsible revolving toy A dynamic collapsible and revolving toy includes a base with a gear seat fixedly disposed inside. A gear plate mounted on the gear seat is driven to rotate by a gearbox with a power outputting gear through engagements of a transmission gear, a reduction g... | 07/23/2002 |
| 6341614 | Collapsible cane A collapsible cane for aiding a user to walk. The collapsible cane includes an elongate member. The elongate member has a plurality of tubular members. The tubular members include a plurality of intermediate tubular members extending between a first tubul... | 01/29/2002 |
| 6338586 | Locking structure of retractable draw bar The present invention proposes an improved locking structure of a retractable draw bar. The proposed improved locking structure comprises a first joint tube, a second joint tube, a fixed assembly, a movable assembly, two click buttons, and two resilient e... | 01/15/2002 |
| 6338587 | Modified locking structure of retractable draw bar The present invention proposes a modified locking structure of a retractable draw bar. The proposed modified locking structure comprises a fixed assembly, a movable assembly, and a click button. The movable assembly has a longitudinally long guide hole to... | 01/15/2002 |
| 6334730 | Telescopic rod for opening a mobile cowl, in particular of an aircraft engine bay A bar (25) for holding open a cover (4) hinged on the nacelle enclosing an aircraft engine (7) comprises two sections (26 and 28) of unequal length, one of which is hinged (27) on the cover (4) and the other (30) on the engine (7). The mechanism for locki... | 01/01/2002 |
| 6247991 | Dynamic collapsible rotating toy A dynamic collapsible and revolving toy, comprising an interior sleeve set and an exterior sleeve set that are installed at the center inside a base, said interior sleeve set involves a winding strip and driven by a piece of extension/retraction driving m... | 06/19/2001 |
| 6179514 | Telescopic tube joint A telescopic tube joint has a sleeve, which is adapted to securely coupling an outer tube and an inner tube, and defines a locking chamber therein. At least two locking rings are received in the locking chamber of the sleeve, the locking rings are forced ... | 01/30/2001 |
| 6151982 | Steering apparatus for a car A steering apparatus for a car, comprises a steering shaft provided with a steering wheel at one end thereof, a steering column for supporting the steering shaft to be freely rotatable, an upper support mechanism fixed to the car body side for supporting ... | 11/28/2000 |
| 5984385 | Active ERM damper for spacecraft telescoping structures A damped latch mechanism 116 is provided for a telescoping structure 10 including an inner tubular member 114 slidingly received within an outer tubular member 112. A first latch member 122 is coupled within the one tubular member 114 and a second latch m... | 11/16/1999 |
| 5803649 | Locking mechanism A locking mechanism useful in various microsurgical, laproscopic and endoscopic surgical instruments includes a lock body which is linearly movable between a locked and an unlocked position, and a plate having a slot through which a linkage rod or the lik... | 09/08/1998 |
| 5800089 | Adjustable detachable pool cover anchor A detachable anchor for a pool cover includes a two piece C-shaped body which fits over and engages a metal pool frame. The anchor is detached when the pool cover is removed. The anchor includes an anchor knob which engages the loop of a spring-loaded att... | 09/01/1998 |
| 5537890 | Motor vehicle steering column A motor vehicle steering column including a stationary support, a moveable support on which a steering wheel is rotatably mounted, and a position control apparatus which achieves both positive retention of the position of the moveable support and substant... | 07/23/1996 |
| 5458020 | Pull rod structure of a baggage cart A pull rod structure of a baggage cart, comprising a handle body, a controlling mechanism, a lower cover, a transmission mechanism, a linking mechanism, two hollow tube members and two sleeve members. The handle body is formed with two through holes at tw... | 10/17/1995 |
| 5349977 | Adjustable walker The present invention relates to invalid walkers which are designed to aid the handicapped. Specifically, the present invention relates to an attachment to an existing walker, or a modified existing walker which is hand operated and designed to be made ad... | 09/27/1994 |
| 5333968 | Length-adjustable column for tables, chairs or the like A length-adjustable column for chairs, tables or the like has a length-adjusting element and a stand pipe. The stand pipe is in the form of a composite pipe and has an outer tube and an inner guide tube, which are connected with each other by guide webs. ... | 08/02/1994 |
| 5326360 | Endoprosthesis for the knee joint An expandable endoprosthesis for a joint and adjacent bone parts has first and second joint component parts. The second component has a part at one end thereof for a portion of a joint. The second component has a telescoping stem coupled to its joint part... | 07/05/1994 |
| 5324086 | Device capable of positive extension and retraction using a casading force transfer An extendible-retractable device, which is made up of a number of interconnected members and to which a suitable tool may be attached. The device makes it possible to continually change the position of the tool as a task is being performed. The device inc... | 06/28/1994 |
| 5322334 | Device for positively telescopically extending and retracting An extendible-retractable device, which is made up of a number of interconnected members and to which a suitable tool may be attached. The device makes it possible to continually change the position of the tool as a task is being performed. The device inc... | 06/21/1994 |
| 5315795 | Deployable/retractable telescoping mast assembly and method A deployable and retractable, telescoping style mast assembly and method employs a plurality of tubular sections of differing diameters. The tubular sections are nested one-in-another and are slidable with respect to each other, in a telescoping manner, t... | 05/31/1994 |
| 5259664 | Extendable/retractable foot/leg rest for a wheelchair Applicant's invention is an improved design for an extendable foot/leg rest assembly for use with a wheelchair. The design utilizes an internal rack and pinion assembly for extending and retracting the telescopic tubing which supports the foot platform ag... | 11/09/1993 |
| 5236460 | Vertebral body prosthesis A vertebral prosthesis locates between vertebral bodies of a human body. The prosthesis has tubular inner and outer bodies that telescope relative to each other. Each body has a platform on its end. The platform secures to adjacent vertebral bodies. Sharp... | 08/17/1993 |
| 5195803 | Reclining seat back assembly for a wheelchair A reclining seat back assembly for a wheelchair includes a frame member having a pair of side posts pivotally connected to the wheelchair chassis. Each side post has a rearwardly extending handle at its upper end. A pair of extendable struts each include ... | 03/23/1993 |
| 5192159 | Security post A security post to be located within an entry to control vehicular access and comprising a tubular member (10) installed below ground with its upper end generally level with the surface, and having a hinged lid (14). A post (17) is slidable vertically wit... | 03/09/1993 |
